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TimePrefsHandler.cpp
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TimePrefsHandler.cpp
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/**
* Copyright (c) 2010-2014 LG Electronics, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "TimePrefsHandler.h"
#include <glib.h>
#include <stdlib.h>
#include <sys/time.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <memory.h>
#include <set>
#if defined(HAVE_LUNA_PREFS)
#include <lunaprefs.h>
#endif
#include "NetworkConnectionListener.h"
#include "PrefsDb.h"
#include "PrefsFactory.h"
#include "ClockHandler.h"
#include "Logging.h"
#include "Utils.h"
#include "JSONUtils.h"
#include <cjson/json.h>
#include <cjson/json_util.h>
static const char* s_tzFile = WEBOS_INSTALL_WEBOS_PREFIX "/ext-timezones.json";
static const char* s_tzFilePath = WEBOS_INSTALL_SYSMGR_LOCALSTATEDIR "/preferences/localtime";
static const char* s_zoneInfoFolder = "/usr/share/zoneinfo/";
static const int s_sysTimeNotificationThreshold = 3000; // 5 mins
static const char* s_logChannel = "TimePrefsHandler";
static const char* s_factoryTimeSource = "factory";
#define ORIGIN_NITZ "nitz"
#define HOURFORMAT_12 "HH12"
#define HOURFORMAT_24 "HH24"
#define NITZVALIDITY_STATE_NITZVALID "NITZVALID"
#define NITZVALIDITY_STATE_NITZINVALIDUSERNOTSET "NITZINVALID_USERNOTSET"
#define NITZVALIDITY_STATE_NITZINVALIDUSERSET "NITZINVALID_USERSET"
#define DEBUG_TIMEPREFS 1
#define ABSV(x) ((x) < 0 ? (x*-1) : (x))
#define DIFFTIME(x,y) ((x) > (y) ? ((x)-(y)) : ((y)-(x)))
#undef LSREPORT
//#define LSREPORT(lse) g_critical( "in %s: %s => %s", __func__, (lse).func, (lse).message )
#define LSREPORT(lse) qCritical( "in %s: %s => %s", __func__, (lse).func, (lse).message )
#define TIMEOUT_INTERVAL_SEC 5
namespace {
// when no time source used for system time
const int lowestTimeSourcePriority = INT_MIN; // mark for overriding
} // anonymous namespace
json_object * TimePrefsHandler::s_timeZonesJson = NULL;
TimePrefsHandler * TimePrefsHandler::s_inst = NULL;
extern GMainLoop * g_gmainLoop;
extern char *strptime (__const char *__restrict __s,
__const char *__restrict __fmt, struct tm *__tp);
namespace {
bool convert(const pbnjson::JValue &value, time_t &timeValue)
{
if (!value.isNumber()) return false;
// this check will be compiled-out due to static condition
if (sizeof(time_t) <= sizeof(int32_t))
{
timeValue = value.asNumber<int32_t>();
}
else
{
timeValue = value.asNumber<int64_t>();
}
return true;
}
bool convertUnique(const char *function, const char *value, std::vector<std::string> &unique)
{
using namespace pbnjson;
JsonMessageParser parser( value,
"{\"type\":\"array\",\"items\": {\"type\":\"string\"},\"uniqueItems\":true}"
);
if (!parser.parse(function)) return false;
pbnjson::JValue array = parser.get();
unique.clear();
unique.reserve(array.arraySize());
for (ssize_t i = 0; i < array.arraySize(); ++i)
{
unique.push_back(array[i].asString());
}
return true;
}
// return moment of bootStart in current system time (i.e. always valid
// even if time were changed since boot)
time_t bootStart()
{
timespec ts_epoch, ts_boot;
bool haveTimes = (clock_gettime(CLOCK_REALTIME, &ts_epoch) == 0) &&
(clock_gettime(CLOCK_BOOTTIME, &ts_boot) == 0);
// Note: we use beginning of epoch as a fake boot time if no way to get
// one of required clocks
return haveTimes ? (ts_epoch.tv_sec - ts_boot.tv_sec) : (time_t)0;
}
} // anonymous namespace
static void
print_tzvars (void)
{
qDebug ("tzname[0]='%s' tzname[1]='%s' daylight='%d' timezone='%ld'", tzname[0], tzname[1], daylight, timezone);
}
static void
set_tz(const char * tz) {
static gchar * env = NULL;
g_free(env);
env = g_strdup_printf("TZ=%s", tz);
putenv(env);
tzset();
qDebug("%s: tz set to %s", __func__, tz);
print_tzvars();
}
static bool
tz_exists(const char* tz_name) {
#define ZONEINFO_PATH_PREFIX "/usr/share/zoneinfo/"
g_return_val_if_fail(tz_name != NULL, false);
g_return_val_if_fail(strlen(tz_name) > 1, false);
g_return_val_if_fail(tz_name[0] != '/', false);
g_return_val_if_fail(tz_name[0] != '.', false);
g_return_val_if_fail(strstr(tz_name, "..") == NULL, false);
char *path = g_build_filename(ZONEINFO_PATH_PREFIX, tz_name, NULL);
bool ret = g_file_test(path, G_FILE_TEST_IS_REGULAR);
g_free(path);
return ret;
}
static const char *
_json_get_string(struct json_object *object, const char *label)
{
struct json_object *label_obj = NULL;
if (!json_object_object_get_ex(object, label, &label_obj))
{
return NULL;
}
return json_object_get_string(label_obj);
}
struct TimeZoneInfo
{
bool operator==(const struct TimeZoneInfo& c) const {
return (name == c.name);
}
std::string name;
std::string countryCode;
std::string jsonStringValue;
int dstSupported;
int offsetToUTC;
bool preferred; //if set to true, then pick this TZ is searching by offset vs any others
int howManyZonesForCountry; //how many offsets (incl. this one) does this country (based on countryCode) span? e.g. USA = 9
};
namespace {
TimeZoneInfo buildFailsafeDefaultZone()
{
TimeZoneInfo tz;
tz.name = "Etc/GMT-0";
tz.countryCode = "";
tz.jsonStringValue = "{"
"\"Country\":\"\",\"CountryCode\":\"\","
"\"ZoneID\":\"Etc/GMT-0\",\"City\":\"\","
"\"Description\":\"GMT\",\"offsetFromUTC\": 0,"
"\"supportsDST\":0"
"}";
tz.dstSupported = 0;
tz.offsetToUTC = 0;
tz.preferred = false;
return tz;
}
} // anonymous namespace
const TimeZoneInfo TimePrefsHandler::s_failsafeDefaultZone = buildFailsafeDefaultZone();
///just a simple container
struct PreferredZones
{
PreferredZones() : dstPref(NULL), nonDstPref(NULL), dstFallback(NULL), nonDstFallback(NULL) {}
/* PreferredZones(const PreferredZones& c) = default; */
/* PreferredZones& operator=(const PreferredZones& c) = default; */
int offset;
TimeZoneInfo * dstPref;
TimeZoneInfo * nonDstPref;
TimeZoneInfo * dstFallback;
TimeZoneInfo * nonDstFallback;
};
NitzParameters::NitzParameters()
: _offset(-1000)
, _dst(0)
, _mcc(0)
, _mnc(0)
, _timevalid(false)
, _tzvalid(false)
, _dstvalid(false)
, _localtimeStamp(0)
{
memset(&_timeStruct,0,sizeof(_timeStruct));
}
NitzParameters::NitzParameters(struct tm& timeStruct,int offset,int dst,int mcc,int mnc,
bool timevalid,bool tzvalid,bool dstvalid,uint32_t remotetimeStamp)
: _offset(offset)
, _dst(dst)
, _mcc(mcc)
, _mnc(mnc)
, _timevalid(timevalid)
, _tzvalid(tzvalid)
, _dstvalid(dstvalid)
, _localtimeStamp(remotetimeStamp)
{
memcpy(&_timeStruct,&timeStruct,sizeof(timeStruct));
_localtimeStamp = time(NULL);
}
void NitzParameters::stampTime()
{
_localtimeStamp = time(NULL);
}
bool NitzParameters::valid(uint32_t threshold)
{
/// not using timestamps anymore since the TIL sets the time directly
// uint32_t lt = time(NULL);
// uint32_t difft = (uint32_t)(DIFFTIME(_localtimeStamp,(uint32_t)time(NULL)));
// qDebug("%s: object(%u) ? (%u) current time = diff: %u , threshold: %u",__FUNCTION__,_localtimeStamp,lt,difft,threshold);
// if (difft > threshold)
// return false;
return true;
}
static json_object * valuesFor_useNetworkTime( TimePrefsHandler * pTimePrefsHandler);
static bool validateFor_useNetworkTime( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue);
static json_object * valuesFor_useNetworkTimeZone( TimePrefsHandler * pTimePrefsHandler);
static bool validateFor_useNetworkTimeZone( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue);
static json_object * valuesFor_timeZone( TimePrefsHandler * pTimePrefsHandler);
static bool validateFor_timeZone( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue);
static json_object * valuesFor_timeFormat( TimePrefsHandler * pTimePrefsHandler);
static bool validateFor_timeFormat( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue);
static json_object * valuesFor_timeChangeLaunch( TimePrefsHandler * pTimePrefsHandler);
static bool validateFor_timeChangeLaunch( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue);
static json_object * presetValues_boolean();
static void tzsetWorkaround(const char * newTZ) __attribute__((unused));
/*!
* \page com_palm_systemservice_time Service API com.palm.systemservice/time/
* Public methods:
* - \ref com_palm_systemservice_time_set_system_time
* - \ref com_palm_systemservice_time_set_system_network_time
* - \ref com_palm_systemservice_time_get_system_time
* - \ref com_palm_systemservice_time_get_system_timezone_file
* - \ref com_palm_systemservice_time_set_time_change_launch
* - \ref com_palm_systemservice_time_launch_time_change_apps
* - \ref com_palm_systemservice_time_get_ntp_time
* - \ref com_palm_systemservice_time_set_time_with_ntp
* - \ref com_palm_systemservice_time_convert_date
*/
static LSMethod s_methods[] = {
{ "getSystemTime", TimePrefsHandler::cbGetSystemTime },
{ "getSystemTimezoneFile", TimePrefsHandler::cbGetSystemTimezoneFile},
{ "getBroadcastTime", TimePrefsHandler::cbGetBroadcastTime },
{ "getEffectiveBroadcastTime", TimePrefsHandler::cbGetEffectiveBroadcastTime },
{ "setTimeChangeLaunch", TimePrefsHandler::cbSetTimeChangeLaunch},
{ "launchTimeChangeApps", TimePrefsHandler::cbLaunchTimeChangeApps},
{ "getNTPTime", TimePrefsHandler::cbGetNTPTime},
{ "convertDate", TimePrefsHandler::cbConvertDate},
{ 0, 0 },
};
static LSMethod s_private_methods[] = {
{ "setSystemTime", TimePrefsHandler::cbSetSystemTime },
{ "setSystemNetworkTime", TimePrefsHandler::cbSetSystemNetworkTime },
{ "setBroadcastTime", TimePrefsHandler::cbSetBroadcastTime },
{ "setTimeWithNTP", TimePrefsHandler::cbSetTimeWithNTP },
{ 0, 0 },
};
typedef json_object * (*valuesForKeyFnPtr)(TimePrefsHandler * pTimePrefsHandler);
typedef bool (*validateForKeyFnPtr)(TimePrefsHandler * pTimePrefsHandler,const json_object* pValue);
typedef struct timePrefKey_s {
const char * keyName;
valuesForKeyFnPtr valuesFn;
validateForKeyFnPtr validateFn;
} TimePrefKey;
static const TimePrefKey timePrefKeys[] = {
{"useNetworkTime" , valuesFor_useNetworkTime , validateFor_useNetworkTime},
{"useNetworkTimeZone" , valuesFor_useNetworkTimeZone , validateFor_useNetworkTimeZone},
{"timeZone", valuesFor_timeZone , validateFor_timeZone},
{"timeFormat", valuesFor_timeFormat , validateFor_timeFormat},
{"timeChangeLaunch", valuesFor_timeChangeLaunch, validateFor_timeChangeLaunch},
{"nitzValidity",NULL,NULL}
};
static inline bool isSpaceOrNull(char v) {
return (v == 0 || isspace(v));
}
time_t TimePrefsHandler::currentStamp()
{
#if !defined(DESKTOP)
// FIXME: CLOCK_UPTIME doesn't work
struct timespec currTime;
::clock_gettime(CLOCK_MONOTONIC, &currTime);
return currTime.tv_sec;
#else
struct timespec currTime;
::clock_gettime(CLOCK_MONOTONIC, &currTime);
return currTime.tv_sec;
#endif
}
TimePrefsHandler::TimePrefsHandler(LSPalmService* service)
: PrefsHandler(service)
, m_cpCurrentTimeZone(0)
, m_pDefaultTimeZone(0)
, m_nitzSetting(TimePrefsHandler::NITZ_TimeEnable | TimePrefsHandler::NITZ_TZEnable)
, m_lastNitzValidity(TimePrefsHandler::NITZ_Unknown)
, m_immNitzTimeValid(false)
, m_immNitzZoneValid(false)
, m_p_lastNitzParameter(0)
, m_lastNitzFlags(0)
, m_gsource_periodic(NULL)
, m_gsource_periodic_id(0)
, m_timeoutCycleCount(0)
, m_sendWakeupSetToPowerD(true)
, m_lastNtpUpdate(0)
, m_nitzTimeZoneAvailable(true)
, m_currentTimeSourcePriority(lowestTimeSourcePriority)
, m_nextSyncTime(0)
, m_systemTimeSourceTag(s_factoryTimeSource)
, m_ntpClock(*this)
{
if (!s_inst)
s_inst=this;
init();
}
TimePrefsHandler::~TimePrefsHandler()
{
}
std::list<std::string> TimePrefsHandler::keys() const
{
return m_keyList;
}
bool TimePrefsHandler::validate(const std::string& key, json_object* value)
{
if (value == NULL)
return false;
for (size_t i=0;i<sizeof(timePrefKeys)/sizeof(TimePrefKey);i++) {
if (key == timePrefKeys[i].keyName) {
if (timePrefKeys[i].validateFn != NULL)
return ((*(timePrefKeys[i].validateFn))(this,value));
else
return false;
}
}
return false;
}
void TimePrefsHandler::valueChanged(const std::string& key, json_object* value)
{
bool bval;
std::string strval;
if (key == "useNetworkTime") {
if (value) {
bval = json_object_get_boolean(value);
}
else {
bval = true;
}
if(isManualTimeUsed() == !bval)
{
qWarning("value userNetworkTime isn't changed (ignoring)");
return;
}
setNITZTimeEnable(bval);
postBroadcastEffectiveTimeChange();
if (bval)
{
//kick off an update cycle right now (* see the function for restrictions; It won't do anything in some cases)
startBootstrapCycle(3);
}
else
{
// on switching from auto-time update manual time right away as if
// user set it
systemSetTime(0, ClockHandler::manual);
}
}
else if (key == "useNetworkTimeZone") {
if (value) {
bval = json_object_get_boolean(value);
}
else {
bval = true;
}
setNITZTZEnable(bval);
}
else if (key == "timeZone") {
//TODO: change tz
if (value) {
strval = TimePrefsHandler::tzNameFromJsonValue(value);
__qMessage("attempted change of timeZone to [%s]",strval.c_str());
const TimeZoneInfo * new_mcTZ = timeZone_ZoneFromName(strval.c_str());
if (new_mcTZ) {
if (*new_mcTZ == *m_cpCurrentTimeZone) {
qDebug("new and old timezones are the same...skipping the rest of the change procedure");
return;
}
m_cpCurrentTimeZone = new_mcTZ;
}
if (m_cpCurrentTimeZone) {
qDebug("successfully mapped to zone [%s]",m_cpCurrentTimeZone->name.c_str());
setTimeZone(m_cpCurrentTimeZone);
}
else {
int currOffsetToUTC = offsetToUtcSecs()/60;
//last chance to get a valid timezone given the offset
m_cpCurrentTimeZone = timeZone_ZoneFromOffset(currOffsetToUTC);
if (m_cpCurrentTimeZone == NULL)
{
qWarning() << "Couldn't pick timezone from offset" << currOffsetToUTC << "... picking a generic zone based on offset";
//STILL NULL! pick a generic zone
m_cpCurrentTimeZone = timeZone_GenericZoneFromOffset(currOffsetToUTC);
if (m_cpCurrentTimeZone == NULL)
{
qWarning() << "Couldn't pick GENERIC timezone from offset" << currOffsetToUTC << "... last resort: go to default zone";
//This should never happen unless the syszone list is corrupt. But if it is, pick the failsafe default
m_cpCurrentTimeZone = &s_failsafeDefaultZone;
}
}
setTimeZone(m_cpCurrentTimeZone);
}
transitionNITZValidState((this->getLastNITZValidity() == TimePrefsHandler::NITZ_Valid),true);
// TODO: consider moving to systemSetTimeZone
postSystemTimeChange();
postBroadcastEffectiveTimeChange();
//launch any apps that wanted to be launched when the time/zone changed
launchAppsOnTimeChange();
}
else {
qWarning("attempted change of timeZone but no value provided");
}
}
else if (key == "timeFormat") {
//TODO: change tformat
if (value) {
strval = json_object_get_string(value);
__qMessage("attempted change of timeFormat to [%s]",strval.c_str());
}
else {
qWarning() << "attempted change of timeFormat but no value provided";
}
}
qWarning("valueChanged: useNetworkTime is [%s] , useNetworkTimeZone is [%s]",
(this->isNITZTimeEnabled() ? "true" : "false"),(this->isNITZTZEnabled() ? "true" : "false"));
}
json_object* TimePrefsHandler::valuesForKey(const std::string& key)
{
json_object * ro = NULL;
for (size_t i=0;i<sizeof(timePrefKeys)/sizeof(TimePrefKey);i++) {
if ((key == timePrefKeys[i].keyName) && (timePrefKeys[i].valuesFn != NULL)) {
ro = ((*(timePrefKeys[i].valuesFn))(this));
break;
}
else if ((key == timePrefKeys[i].keyName) && (timePrefKeys[i].valuesFn == NULL))
break;
}
if (ro) {
return ro;
}
//else, a default return object is returned
ro = json_object_new_object();
return ro;
}
json_object * TimePrefsHandler::timeZoneListAsJson()
{
if (TimePrefsHandler::s_timeZonesJson != NULL)
return json_object_get(TimePrefsHandler::s_timeZonesJson); //"copy" it!
return (NULL);
}
bool TimePrefsHandler::isValidTimeZoneName(const std::string& tzName)
{
if (TimePrefsHandler::s_timeZonesJson == NULL)
return false;
json_object * label = json_object_object_get(TimePrefsHandler::s_timeZonesJson, "timeZone");
if (!label || is_error(label)) {
return false;
}
array_list * srcJsonArray = json_object_get_array(label);
if ((!srcJsonArray) || (is_error(srcJsonArray))) {
return false;
}
for (int i = 0; i < array_list_length(srcJsonArray); i++) {
json_object* obj = static_cast<json_object*>(array_list_get_idx(srcJsonArray, i));
//parse out the TZ name
label = json_object_object_get(obj,(char*)"ZoneID");
if (!label) {
continue;
}
const char * tzname = json_object_get_string(label);
if (tzname == NULL) {
continue;
}
if (tzName == tzname)
return true;
}
label = json_object_object_get(TimePrefsHandler::s_timeZonesJson, "syszones");
if (!label || is_error(label)) {
return false;
}
srcJsonArray = json_object_get_array(label);
if ((!srcJsonArray) || (is_error(srcJsonArray))) {
return false;
}
for (int i = 0; i < array_list_length(srcJsonArray); i++) {
json_object* obj = static_cast<json_object*>(array_list_get_idx(srcJsonArray, i));
//parse out the TZ name
label = json_object_object_get(obj,(char*)"ZoneID");
if (!label) {
continue;
}
const char * tzname = json_object_get_string(label);
if (tzname == NULL) {
continue;
}
if (tzName == tzname)
return true;
}
return false;
}
static json_object * presetValues_boolean()
{
json_object* arrayObj = json_object_new_array();
json_object_array_add(arrayObj,json_object_new_boolean(true));
json_object_array_add(arrayObj,json_object_new_boolean(false));
return arrayObj;
}
static json_object * valuesFor_useNetworkTime( TimePrefsHandler * pTimePrefsHandler)
{
json_object* json = json_object_new_object();
json_object_object_add(json,(char *)"useNetworkTime",presetValues_boolean());
return json;
}
static bool validateFor_useNetworkTime( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue)
{
if (json_object_get_type(const_cast<json_object*>(pValue)) != json_type_boolean)
return false;
return true;
}
static json_object * valuesFor_useNetworkTimeZone( TimePrefsHandler * pTimePrefsHandler)
{
json_object* json = json_object_new_object();
json_object_object_add(json,(char *)"useNetworkTimeZone",presetValues_boolean());
return json;
}
static bool validateFor_useNetworkTimeZone( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue)
{
if (json_object_get_type(const_cast<json_object*>(pValue)) != json_type_boolean)
return false;
return true;
}
static json_object * valuesFor_timeZone( TimePrefsHandler * pTimePrefsHandler)
{
if (pTimePrefsHandler == NULL)
return (json_object_new_object());
json_object * json = pTimePrefsHandler->timeZoneListAsJson();
if (json == NULL)
return (json_object_new_object());
return json;
}
static bool validateFor_timeZone( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue)
{
if (pTimePrefsHandler == NULL)
return false;
json_object * pval = const_cast<json_object*>(pValue);
if (json_object_get_type(pval) != json_type_object)
return false;
json_object* label = 0;
std::string tzname;
label = json_object_object_get(pval, "ZoneID");
if (!label) {
return false;
}
tzname = json_object_get_string(label);
bool rv = pTimePrefsHandler->isValidTimeZoneName(tzname);
return rv; //broken out for debugging ease
}
/*
* Scans the json timezone array (built in init()) for "default" on an entry and returns that json object as
* a string
*/
std::string TimePrefsHandler::getDefaultTZFromJson(TimeZoneInfo * r_pZoneInfo)
{
if (s_timeZonesJson == NULL)
{
if (r_pZoneInfo)
*r_pZoneInfo = s_failsafeDefaultZone;
return s_failsafeDefaultZone.jsonStringValue;
}
json_object * label = json_object_object_get(s_timeZonesJson, "timeZone");
if (!label || is_error(label)) {
qWarning() << "error on json object: it doesn't contain a timezones array";
if (r_pZoneInfo)
*r_pZoneInfo = s_failsafeDefaultZone;
return s_failsafeDefaultZone.jsonStringValue;
}
array_list * srcJsonArray = json_object_get_array(label);
if ((!srcJsonArray) || (is_error(srcJsonArray))) {
qWarning("error on json object: it doesn't contain a timezones array");
if (r_pZoneInfo)
*r_pZoneInfo = s_failsafeDefaultZone;
return s_failsafeDefaultZone.jsonStringValue;
}
for (int i = 0; i < array_list_length(srcJsonArray); i++) {
json_object* obj = static_cast<json_object*>(array_list_get_idx(srcJsonArray, i));
//look for "default" boolean
label = json_object_object_get(obj,(char*)"default");
if (!label)
continue;
//found it - I actually don't care if it's true or false...its mere existence is enough to
//consider this a default.
if (r_pZoneInfo)
{
if (TimePrefsHandler::jsonUtil_ZoneFromJson(obj,*r_pZoneInfo) == false)
{
*r_pZoneInfo = s_failsafeDefaultZone;
return (s_failsafeDefaultZone.jsonStringValue);
}
else
return (r_pZoneInfo->jsonStringValue);
}
}
if (r_pZoneInfo)
*r_pZoneInfo = s_failsafeDefaultZone;
return s_failsafeDefaultZone.jsonStringValue;
}
//static
/*
* reads the nitzValidity key from the db and decides what the next state will be, writes that back to the db
* returns the previous state
*
*/
std::string TimePrefsHandler::transitionNITZValidState(bool nitzValid,bool userSetTime)
{
std::string currentState = PrefsDb::instance()->getPref("nitzValidity");
std::string nextState;
if ((currentState == NITZVALIDITY_STATE_NITZVALID) || (currentState.size() == 0)) {
if (nitzValid == false)
nextState = NITZVALIDITY_STATE_NITZINVALIDUSERNOTSET;
else
nextState = NITZVALIDITY_STATE_NITZVALID;
}
else if (currentState == NITZVALIDITY_STATE_NITZINVALIDUSERNOTSET) {
if (userSetTime)
nextState = NITZVALIDITY_STATE_NITZINVALIDUSERSET;
else if (nitzValid)
nextState = NITZVALIDITY_STATE_NITZVALID;
else
nextState = NITZVALIDITY_STATE_NITZINVALIDUSERNOTSET;
}
else if (currentState == NITZVALIDITY_STATE_NITZINVALIDUSERSET) {
if (nitzValid)
nextState = NITZVALIDITY_STATE_NITZVALID;
else
nextState = NITZVALIDITY_STATE_NITZINVALIDUSERSET;
}
else {
//confused? weird state...default to NITZVALID
nextState = NITZVALIDITY_STATE_NITZVALID;
}
PrefsDb::instance()->setPref("nitzValidity",nextState);
qDebug("transitioning [%s] -> [%s]",currentState.c_str(),nextState.c_str());
return currentState;
}
static json_object * valuesFor_timeFormat( TimePrefsHandler * pTimePrefsHandler)
{
json_object* json = json_object_new_object();
json_object* arrayObj = json_object_new_array();
json_object_array_add(arrayObj,json_object_new_string((char *)"HH12"));
json_object_array_add(arrayObj,json_object_new_string((char *)"HH24"));
json_object_object_add(json,(char *)"timeFormat",arrayObj);
return json;
}
static bool validateFor_timeFormat( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue)
{
if (json_object_get_type(const_cast<json_object*>(pValue)) != json_type_string)
return false;
std::string val = json_object_get_string(const_cast<json_object*>(pValue));
return ((val == "HH12") || (val == "HH24"));
}
static json_object * valuesFor_timeChangeLaunch( TimePrefsHandler * pTimePrefsHandler)
{
return json_object_new_object();
}
static bool validateFor_timeChangeLaunch( TimePrefsHandler * pTimePrefsHandler,const json_object* pValue)
{
return false; //this is a special key which can only be set via a setTimeChangeLaunch message
}
void TimePrefsHandler::init()
{
bool result;
LSError lsError;
LSErrorInit(&lsError);
//(these will also set defaults in the db if there was nothing stored yet (e.g. first use))
readCurrentNITZSettings();
readCurrentTimeSettings();
//init the keylist
for (size_t i=0;i<sizeof(timePrefKeys)/sizeof(TimePrefKey);i++) {
m_keyList.push_back(std::string(timePrefKeys[i].keyName));
}
result = LSPalmServiceRegisterCategory( m_service, "/time", s_methods, s_private_methods,
NULL, this, &lsError);
if (!result) {
//luna_critical(s_logChannel, "Failed in registering time handler method: %s", lsError.message);
qCritical("Failed in registering time handler method: %s", lsError.message);
LSErrorFree(&lsError);
return;
}
m_serviceHandlePublic = LSPalmServiceGetPublicConnection(m_service);
m_serviceHandlePrivate = LSPalmServiceGetPrivateConnection(m_service);
if (!s_timeZonesJson) { //or else I'll leak
s_timeZonesJson = json_object_from_file(const_cast<char*>(s_tzFile));
if ((!s_timeZonesJson) || is_error(s_timeZonesJson))
s_timeZonesJson = NULL;
else {
json_object* ja = json_object_object_get(s_timeZonesJson,(char *)"timeZone");
if ((ja) && (!is_error(ja))) {
int s = json_object_array_length(ja);
qDebug("%d timezones loaded from [%s]",s,s_tzFile);
}
json_object* jsa = json_object_object_get(s_timeZonesJson,(char *)"syszones");
if ((jsa) && (!is_error(jsa))) {
int s = json_object_array_length(jsa);
qDebug("%d sys timezones loaded from [%s]",s,s_tzFile);
}
}
}
//load the default
m_pDefaultTimeZone = new TimeZoneInfo();
(void)getDefaultTZFromJson(m_pDefaultTimeZone);
std::string nitzValidityState = PrefsDb::instance()->getPref("nitzValidity");
if (nitzValidityState == "") {
PrefsDb::instance()->setPref("nitzValidity",NITZVALIDITY_STATE_NITZVALID);
qDebug("nitzValidity default set to [%s]",NITZVALIDITY_STATE_NITZVALID);
}
std::string currentlySetTimeZoneJsonString= PrefsDb::instance()->getPref("timeZone");
if (currentlySetTimeZoneJsonString == "") {
currentlySetTimeZoneJsonString = m_pDefaultTimeZone->jsonStringValue;
//set a default
PrefsDb::instance()->setPref("timeZone",currentlySetTimeZoneJsonString);
qDebug("timezone default set to [%s]",currentlySetTimeZoneJsonString.c_str());
}
std::string currentlySetTimeZoneName = tzNameFromJsonString(currentlySetTimeZoneJsonString);
scanTimeZoneJson();
m_cpCurrentTimeZone = timeZone_ZoneFromName(currentlySetTimeZoneName);
if (m_cpCurrentTimeZone) {
qDebug("successfully mapped to zone [%s]", m_cpCurrentTimeZone->name.c_str());
setTimeZone(m_cpCurrentTimeZone);
}
else {
int currOffsetToUTC = offsetToUtcSecs()/60;
//last chance to get a valid timezone given the offset
m_cpCurrentTimeZone = this->timeZone_ZoneFromOffset(currOffsetToUTC);
if (m_cpCurrentTimeZone == NULL)
{
qWarning() << " Couldn't pick timezone from offset" << currOffsetToUTC << "... picking a generic zone based on offset";
//STILL NULL! pick a generic zone
m_cpCurrentTimeZone = timeZone_GenericZoneFromOffset(currOffsetToUTC);
if (m_cpCurrentTimeZone == NULL)
{
qWarning() << "Couldn't pick GENERIC timezone from offset" << currOffsetToUTC << "... last resort: go to default zone";
//This should never happen unless the syszone list is corrupt. But if it is, pick the failsafe default
m_cpCurrentTimeZone = &s_failsafeDefaultZone;
}
}
//there is no way to get here w/o m_cpCurrentTimeZone being non-NULL
setTimeZone(m_cpCurrentTimeZone);
}
if (LSCall(m_serviceHandlePrivate,"palm://com.palm.bus/signal/registerServerStatus",
"{\"serviceName\":\"com.palm.power\", \"subscribe\":true}",
cbServiceStateTracker,this,NULL, &lsError) == false)
{
LSErrorFree(&lsError);
}
if (LSCall(m_serviceHandlePrivate, "palm://com.palm.bus/signal/registerServerStatus",
"{\"serviceName\":\"com.palm.telephony\", \"subscribe\":true}",
cbServiceStateTracker, this, NULL, &lsError) == false)
{
LSErrorFree(&lsError);
}
NetworkConnectionListener::instance()->signalConnectionStateChanged.
connect(this, &TimePrefsHandler::slotNetworkConnectionStateChanged);
//kick off an initial timeout for time setting, for cases where TIL/modem won't be there
startBootstrapCycle();
}
/*
* it will look for specific pref values. These were nicely set by a more general and flexible
* implementation with valuesFor_ functions. So if those change, so must this function.
* TODO: extend the TimePrefKey struct to include setter/validator function ptrs
*/
void TimePrefsHandler::readCurrentNITZSettings()
{
std::string settingJsonStr = PrefsDb::instance()->getPref("useNetworkTime");
bool val;
qDebug("string1 is [%s]",settingJsonStr.c_str());
json_object* json = json_tokener_parse(settingJsonStr.c_str());
if (json && (!is_error(json))) {
val = json_object_get_boolean(json);
json_object_put(json);
}
else {
//set a default
PrefsDb::instance()->setPref("useNetworkTime","true");
val = true;
}
setNITZTimeEnable(val);
settingJsonStr = PrefsDb::instance()->getPref("useNetworkTimeZone");
qDebug("string2 is [%s]",settingJsonStr.c_str());
json = json_tokener_parse(settingJsonStr.c_str());
if (json && (!is_error(json))) {
val = json_object_get_boolean(json);
json_object_put(json);
}
else {
//set a default
PrefsDb::instance()->setPref("useNetworkTimeZone","true");
val = true;
}
setNITZTZEnable(val);
}
void TimePrefsHandler::readCurrentTimeSettings()
{
std::string settingJsonStr = PrefsDb::instance()->getPref("timeFormat");
qDebug("string1 is [%s]",settingJsonStr.c_str());
if (settingJsonStr == "") {
PrefsDb::instance()->setPref("timeFormat","\"HH12\""); //must store as a json string, or else baaaad stuff
//TODO: fix that ...it's not very robust
}
std::string timeSourcesJson;
if (!PrefsDb::instance()->getPref("timeSources", timeSourcesJson))
{
// default hard-coded value
// we should get proper value from luna-init defaultPreferences.txt
timeSourcesJson = "[\"ntp\",\"sdp\",\"nitz\",\"broadcast-adjusted\",\"broadcast\"]";
PrefsDb::instance()->setPref("timeSources", timeSourcesJson);
PmLogError(
sysServiceLogContext(), "MISSING_PREF_TIMESOURCES", 1,
PMLOGKS("HARDCODED", timeSourcesJson.c_str()),